@lipinquan524
Активность: 3 года, 8 месяцев назад
What are O Rings?
You could argue that the o-ring is a bit of a «living fossil» in terms of manufacturing components. They were first brought to market way back at the dawn of the 20th century — and yet, for all their absolute simplicity and the very basic nature of the role they perform, they’re still incredibly widely used […] Просмотр